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BENTLY 3500/42M 140734-02 02R Product Specification
Product Overview
The BENTLY 3500/42M 140734-02 02R is a high-precision quad-channel temperature monitoring module designed for BENTLY’s 3500 Series Machinery Protection System. Engineered to deliver real-time temperature analysis for critical industrial equipment, this module serves as a cornerstone in predictive maintenance strategies across industries such as oil and gas, power generation, and manufacturing. The BENTLY 3500/42M 140734-02 02R supports up to 4 channels of temperature input, enabling continuous monitoring of bearing temperatures, winding hotspots, and process media in turbines, compressors, and generators. As part of the 3500 Series, it integrates seamlessly with other system modules to form a comprehensive machinery health management solution.
Featuring advanced signal conditioning and diagnostic capabilities, the BENTLY 3500/42M 140734-02 02R processes inputs from RTDs, thermocouples, and resistance sensors, converting analog signals into digital data for real-time analysis. Its software-configurable design allows users to customize alarm thresholds, filter settings, and data logging parameters, ensuring optimal performance in diverse operational environments. The module’s rugged IP23-rated enclosure and conformal-coated PCBs protect against dust, moisture, and electromagnetic interference (EMI), while its compact form factor (210 mm × 150 mm × 100 mm) and 2 kg weight facilitate easy installation in 19″ control racks.
In automation architectures, the BENTLY 3500/42M 140734-02 02R acts as a frontline diagnostic tool, detecting early signs of overheating in critical components. Its high-resolution analog-to-digital conversion (16-bit) ensures precise temperature measurements, while the RS-485 communication interface enables seamless integration with PLCs, HMIs, and supervisory control systems. By delivering reliable temperature data, the module helps minimize downtime, extend equipment lifespan, and enhance operational safety in mission-critical applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | BENTLY 3500/42M 140734-02 02R |
| Manufacturer | BENTLY NEVADA |
| Product Type | Quad-Channel Temperature Monitoring Module |
| Input Channels | 4 channels (RTD, thermocouple, resistance) |
| Input Range | RTD: 0–150°C, Thermocouple: -200–+1370°C |
| Resolution | 16-bit ADC |
| Communication Interface | RS-485 (Modbus RTU compatible) |
| Power Supply | 24 VDC ±10% |
| Physical Dimensions | 210 mm (W) × 150 mm (H) × 100 mm (D) |
| Weight | 2.1 kg |
| Operating Temperature | -25°C to +60°C |
| Humidity | 5–95% non-condensing |
| Certifications | CE, UL, ISO 10816 |
Main Features and Advantages
Multi-Channel Temperature Monitoring: The BENTLY 3500/42M 140734-02 02R supports simultaneous monitoring of four temperature points, enabling comprehensive analysis of thermal patterns in complex machinery. This feature is critical for identifying hotspots in multi-stage turbines or generator windings, where early detection of temperature anomalies prevents catastrophic failures.
Universal Sensor Compatibility: The module accepts inputs from RTDs (e.g., Pt100), thermocouples (Types J, K, T), and resistance sensors, eliminating the need for dedicated modules. This versatility reduces inventory costs and simplifies system integration in mixed-sensor environments.
Software-Defined Configuration: Users can tailor the module’s settings via BENTLY’s proprietary software, adjusting alarm levels, filter types, and sampling rates to match specific machinery requirements. This flexibility allows for real-time adaptation to changing operational conditions, such as load fluctuations in power generation turbines.
Rugged Industrial Design: Constructed with an IP23-rated metal enclosure and anti-vibration mounting, the module withstands harsh environments, including high temperatures, humidity, and mechanical stress. Its self-shielded design minimizes electromagnetic interference, ensuring reliable measurements in dense industrial installations.
Real-Time Data Integration: The RS-485 interface enables real-time transmission of temperature data to higher-level control systems, supporting remote monitoring and predictive maintenance. Engineers can access live diagnostics and historical trend data via SCADA platforms, enabling proactive intervention before equipment overheating occurs.
Application Areas
The BENTLY 3500/42M 140734-02 02R is widely deployed in industries where precise temperature monitoring is critical to operational reliability:
-
Oil and Gas:
- Monitors bearing temperatures in offshore platform compressors and pipeline pumps, detecting early signs of lubrication failure or mechanical wear.
- Integrates with emergency shutdown systems (ESD) to protect refinery equipment from overheating during critical processing stages.
-
Power Generation:
- Analyzes stator and rotor temperatures in steam turbines and generators, optimizing cooling systems to prevent insulation degradation and extend equipment lifespan.
- Supports condition-based maintenance programs by providing real-time thermal data for scheduled repairs, minimizing unplanned downtime.
-
Manufacturing:
- Controls oven temperatures in semiconductor fabrication plants, where ±1°C precision is essential for chip quality and yield.
- Monitors motor bearings in high-speed packaging machinery, enabling predictive maintenance to reduce production losses in automotive and pharmaceutical facilities.
-
Water/Wastewater Treatment:
- Ensures reliable operation of centrifugal pumps by detecting temperature anomalies, maintaining consistent water flow in treatment facilities.
- Integrates with SCADA systems for remote monitoring of distributed pump stations, supporting proactive maintenance scheduling.
Related Products
- BENTLY 3500/15 114M5335-01: A power input module that supplies stable 24 VDC to the BENTLY 3500/42M 140734-02 02R, ensuring uninterrupted operation.
- BENTLY 3500/22M 146031-01: A vibration monitoring module that pairs with the BENTLY 3500/42M 140734-02 02R to provide comprehensive machinery health data.
- BENTLY 3500/32 129407-01: A speed/torque monitor that correlates temperature data with rotational speed, aiding in fault isolation for turbines and generators.
- BENTLY 3500/92 129410-01: A communication gateway that enables the BENTLY 3500/42M 140734-02 02R to interface with Ethernet/IP networks for remote diagnostics.
- BENTLY 3500/95 129411-01: A redundant power supply module that enhances system reliability when paired with the BENTLY 3500/42M 140734-02 02R in mission-critical setups.
Installation and Maintenance
Pre-installation Preparation:
Before installing the BENTLY 3500/42M 140734-02 02R, ensure the following:
Before installing the BENTLY 3500/42M 140734-02 02R, ensure the following:
- Verify the power supply meets 24 VDC ±10% and that the control rack is properly grounded to prevent electrostatic discharge (ESD). Use a multimeter to confirm voltage stability before connecting the module.
- Use BENTLY’s configuration software to define input channel types (RTD, thermocouple) and set initial alarm thresholds based on machinery specifications.
- Mount the module in a 19″ rack with at least 50 mm of clearance for airflow, securing it with the provided brackets to minimize vibration-induced displacement.
Maintenance Recommendations:
- Routine Inspections: Monthly visual checks of front-panel LEDs (green for normal operation, red for faults) and cleaning of dust from ventilation slots to maintain optimal cooling.
- Calibration: Annual calibration of input channels using a certified temperature source to ensure measurement accuracy. This involves applying known temperatures and verifying output signals against standards.
- Firmware Updates: Periodically update the module’s firmware via BENTLY’s software to access new diagnostic features and compatibility improvements with newer system versions.
- Sensor Health Checks: Biannual verification of sensor connections and wiring to prevent false readings caused by loose terminals or corrosion, particularly in high-humidity environments.
Product Warranty
Our company provides a one-year quality warranty for the BENTLY 3500/42M 140734-02 02R, covering hardware failures due to non-human factors. During the warranty period, we will replace any module that exhibits abnormal signal processing or functional defects. For discontinued models like the BENTLY 3500/42M 140734-02 02R, our global inventory of legacy industrial parts ensures rapid fulfillment of urgent orders. We also offer post-warranty technical support, including calibration services and repair solutions, to maintain your equipment’s reliability throughout its lifecycle.
Contact Information:
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Note: This document is based on technical data derived from BENTLY’s official specifications and industry applications. For detailed installation guidelines, refer to the BENTLY 3500/42M 140734-02 02R user manual or contact our technical support team for personalized assistance.
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